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14971237809 = 3112325937607
BaseRepresentation
bin11011111000101101…
…01111010110110001
31102122101000200101020
431330112233112301
5221130114102214
610513325330053
71040000264433
oct157426572661
942571020336
1014971237809
116392967610
122a99a06929
1315478b85c8
14a20498653
155c95324a9
hex37c5af5b1

14971237809 has 32 divisors (see below), whose sum is σ = 22734895104. Its totient is φ = 8674490880.

The previous prime is 14971237793. The next prime is 14971237817. The reversal of 14971237809 is 90873217941.

It is not a de Polignac number, because 14971237809 - 24 = 14971237793 is a prime.

It is a super-2 number, since 2×149712378092 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14971237819) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1964284 + ... + 1971890.

It is an arithmetic number, because the mean of its divisors is an integer number (710465472).

Almost surely, 214971237809 is an apocalyptic number.

It is an amenable number.

14971237809 is a deficient number, since it is larger than the sum of its proper divisors (7763657295).

14971237809 is a wasteful number, since it uses less digits than its factorization.

14971237809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10237.

The product of its (nonzero) digits is 762048, while the sum is 51.

The spelling of 14971237809 in words is "fourteen billion, nine hundred seventy-one million, two hundred thirty-seven thousand, eight hundred nine".

Divisors: 1 3 11 23 33 69 253 759 2593 7607 7779 22821 28523 59639 83677 85569 174961 178917 251031 524883 656029 1924571 1968087 5773713 19724951 59174853 216974461 453673873 650923383 1361021619 4990412603 14971237809